CN204186577U - A kind of for lubrication system in concrete pump hyraulic controlled type concrete piston - Google Patents
A kind of for lubrication system in concrete pump hyraulic controlled type concrete piston Download PDFInfo
- Publication number
- CN204186577U CN204186577U CN201420561938.6U CN201420561938U CN204186577U CN 204186577 U CN204186577 U CN 204186577U CN 201420561938 U CN201420561938 U CN 201420561938U CN 204186577 U CN204186577 U CN 204186577U
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- concrete
- piston
- valve group
- oil
- hydraulic fluid
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- 238000005461 lubrication Methods 0.000 title claims abstract description 33
- 239000012530 fluid Substances 0.000 claims abstract description 63
- 239000003921 oil Substances 0.000 claims description 139
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 230000002262 irrigation Effects 0.000 claims description 3
- 238000003973 irrigation Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 description 6
- 239000004519 grease Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010727 cylinder oil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a kind of for lubrication system in concrete pump hyraulic controlled type concrete piston, this system comprises a valve group, main oil cylinder piston bar internal galleries and concrete piston internal galleries, this valve group is provided with two input hydraulic fluid ports and an output oil port, in application: be respectively equipped with two oil ducts on main oil cylinder piston bar, one end of these two oil ducts communicates with rodless cavity with the rod chamber of master cylinder respectively, and two of the other end and valve group input hydraulic fluid port and dock; The delivery outlet of concrete internal piston lubrication valve group docks with the hydraulic fluid port in concrete piston.Pressure reduction when the utility model utilizes master cylinder to commutate in rod chamber and rodless cavity lubricates concrete piston, the oil mass of each lubrication can be fixed, thus can not waste be produced, and can ensure that each lubrication puts in place, thus reduce the piston wear produced because concrete piston lubrication is not in place.
Description
Technical field
The utility model relates to a kind of for lubrication system in concrete pump hyraulic controlled type concrete piston, is specially a kind of novel concrete internal piston lubrication system.
Technical background
Concrete arm support pumper is the important tool of production of construction industry, the features such as the concrete arm support pumper as Modern Construction means is large with its quantity delivered, transporting velocity is fast, has the effect that cannot substitute for accelerating construction progress, reduction construction cost.
The lubrication of concrete pump concrete piston is typically employed in carries the casing wall of cylinder to open lubrication hole, then the mode noting lubricating grease in lubrication hole realizes, if concrete piston is just in the position of lubrication hole when grease pump pumping lubricating grease, then lubrication puts in place, the wearing and tearing of concrete piston can significantly reduce, but in actual conditions, during grease pump pumping lubricating grease, concrete piston head is difficult to the position just moving to lubrication hole, concrete piston is because can not get lubricating fully thus producing very large wearing and tearing, bring very large economic loss, according to the system of lubricating in concrete pump concrete piston, then can solve the problem of lubricating and can not put in place completely, can not concrete piston where, all can lubricate fully, and the hydraulic oil lubricated quantitatively pumps, the amount because of lubricant oil of can not producing is excessive and produce the phenomenon of waste, in concrete pump concrete piston, lubrication system can reduce economic loss greatly, increase pumping efficiency.
Summary of the invention
The purpose of this utility model be in order to overcome prior art exist defect and problem, and a kind of lubrication system in concrete pump concrete piston that is used for is proposed, the utility model can make concrete piston be lubricated fully, thus reduce the wearing and tearing of concrete piston, reduce economic loss, improve pumping efficiency.
The purpose of this utility model is achieved in that
A kind of for lubrication system in concrete pump hyraulic controlled type concrete piston, comprise valve group, main oil cylinder piston bar, concrete piston, it is characterized in that: there are two oil ducts main oil cylinder piston bar inside, oil duct one in described main oil cylinder piston bar communicates with master cylinder rodless cavity, and oil duct two communicates with master cylinder rod chamber; Valve group there are input hydraulic fluid port one P1, a hydraulic fluid port two P2 and output oil port three P3; The oil duct three of concrete piston inside leads to the surface of contact of concrete piston and concrete cylinder casing wall, wherein: the oil duct one in described main oil cylinder piston bar communicates with input hydraulic fluid port one P1 of valve group, the oil duct two in main oil cylinder piston bar communicates with input hydraulic fluid port two P2 of valve group; Output oil port three P3 in valve group and the hydraulic fluid port on concrete piston are linked up; Described valve group is valve-regulated, then input hydraulic fluid port one P1 in valve group, by one-way valve one, links up with the A chamber of plunger, and the B chamber of plunger is linked up with valve group delivery outlet three P3 by Pilot operated check valve three; Input hydraulic fluid port two P2 in valve group, by Pilot operated check valve four, links up with the B chamber of plunger, and the A chamber of plunger is linked up with valve group output oil port three P3 by Pilot operated check valve two.
A kind of for lubrication system in concrete pump hyraulic controlled type concrete piston, comprise valve group, main oil cylinder piston bar, concrete piston, it is characterized in that: there are two oil ducts main oil cylinder piston bar inside, oil duct one in described main oil cylinder piston bar communicates with master cylinder rodless cavity, and oil duct two communicates with master cylinder rod chamber; Valve group is provided with input hydraulic fluid port one P1, a hydraulic fluid port two P2 and output oil port three P3; The oil duct three of concrete piston inside leads to the surface of contact of concrete piston and concrete cylinder casing wall, wherein: the oil duct one in described main oil cylinder piston bar communicates with input hydraulic fluid port one P1 of valve group, the oil duct two in main oil cylinder piston bar communicates with input hydraulic fluid port two P2 of valve group; Output oil port three P3 in valve group and the hydraulic fluid port on concrete piston are linked up; Described valve group is drip irrigation type, then have an adjustable throttle orifice in valve group, and by regulating the size of throttle orifice, thus hydraulic control oil slowly penetrates into the internal galleries of concrete piston by throttle orifice.
The Stress control that described Pilot operated check valve two inputs hydraulic fluid port two P2 by valve group is opened.
The Stress control that described Pilot operated check valve three inputs hydraulic fluid port one P1 by valve group is opened.
Described plunger can be transfused to hydraulic fluid port one P1 and the high one end of hydraulic fluid port two P2 pressure is pushed to the low one end of pressure.
Described piston head internal galleries three one end and valve group output oil port three P3 link up, and the other end is communicated with the outer surface of concrete piston by uniform hydraulic fluid port.
Described valve group and main oil cylinder piston bar and concrete piston are connected by bolt.
Described valve group is valve-regulated, then when master cylinder rodless cavity is high pressure, when rod chamber is low pressure, high pressure oil enters into input hydraulic fluid port one P1 of valve group by the oil duct in main oil cylinder piston bar, through one-way valve one, now Pilot operated check valve two is closed, Pilot operated check valve three is opened, high pressure oil promotes plunger and moves to B chamber, the hydraulic oil in B chamber enters valve group output oil port three P3 through Pilot operated check valve three, then enter the oil duct three in concrete piston, then flow out from the outer surface of concrete piston, thus the surface of contact of concrete piston and concrete cylinder is lubricated.
Described valve group is valve-regulated, then when master cylinder rod chamber is high pressure, when rodless cavity is low pressure, high pressure oil enters into input hydraulic fluid port two P2 of valve group by the oil duct two in main oil cylinder piston bar, through one-way valve four, now Pilot operated check valve three is closed, Pilot operated check valve two is opened, high pressure oil promotes plunger and moves to A chamber, the hydraulic oil in A chamber enters valve group output oil port three P3 through Pilot operated check valve two, then enter the oil duct three in concrete piston, then flow out from the outer surface of concrete piston, thus the surface of contact of concrete piston and concrete cylinder is lubricated.
The utility model has the advantage of: can lubricate concrete piston fully, reduce greatly the wearing and tearing of concrete piston, thus reduce economic loss for user; This lubrication system architecture is compact, easy for installation, is easy to realize; This lubrication system architecture is simple, and safe and reliable, in using process, maintenance times is few.Pressure reduction when the utility model utilizes master cylinder to commutate in rod chamber and rodless cavity lubricates concrete piston, the oil mass of each lubrication can be fixed, thus can not waste be produced, and can ensure that each lubrication puts in place, thus reduce the piston wear produced because concrete piston lubrication is not in place.
Accompanying drawing explanation
Fig. 1 is the hydraulic schematic diagram of valve group of the present utility model.
In figure: 1-one-way valve one, 2-Pilot operated check valve two, 3-Pilot operated check valve three, 4-one-way valve four, 5-plunger.
Fig. 2 is the work system schematic diagram that the utility model builds according to the working principle implemented.
In figure: 6-master cylinder oil inlet and outlet, 7-master cylinder, 8-main oil cylinder piston bar, the oil duct be connected with rodless cavity in 9-main oil cylinder piston bar, the oil duct be connected with rod chamber in 10-main oil cylinder piston bar, 11-master cylinder oil inlet and outlet, 12-concrete cylinder, 13-valve group, 14-concrete piston internal galleries, 15-concrete piston.
Embodiment
By reference to the accompanying drawings the utility model is further described.
As shown in Figure 2, the utility model comprises valve group 13, main oil cylinder piston bar 8, concrete piston 15, it is characterized in that: there are oil duct 1, oil duct 2 10 in main oil cylinder piston bar 8 inside, oil duct 1 in described main oil cylinder piston bar 8 communicates with master cylinder 7 rodless cavity, and oil duct 2 10 communicates with master cylinder 7 rod chamber; Valve group 13 is provided with input hydraulic fluid port one P1, a hydraulic fluid port two P2 and output oil port three P3; The oil duct 3 14 of concrete piston 15 inside leads to the surface of contact of concrete piston 15 and concrete cylinder 12 casing wall, wherein: the oil duct 1 in described main oil cylinder piston bar 8 communicates with input hydraulic fluid port one P1 of valve group 13, the oil duct 2 10 in main oil cylinder piston bar 8 communicates with input hydraulic fluid port two P2 of valve group 13; Output oil port three P3 in valve group 13 and the hydraulic fluid port on concrete piston 15 are linked up; Described valve group is drip irrigation type, then have an adjustable throttle orifice in valve group, and by regulating the size of throttle orifice, thus hydraulic control oil slowly penetrates into the internal galleries 3 14 of concrete piston 15 by throttle orifice; Described concrete piston 15 internal galleries 3 14 one end is communicated with valve group output oil port three P3, and the other end is communicated with the outer surface of concrete piston 15 by uniform hydraulic fluid port; Described valve group 13 is connected by bolt with main oil cylinder piston bar 8 and concrete piston 15.
As shown in Figure 2, the utility model comprises valve group 13, main oil cylinder piston bar 8, concrete piston 15, it is characterized in that: there are oil duct 1, oil duct 2 10 in main oil cylinder piston bar 8 inside, communicates respectively with the rodless cavity of master cylinder 7 with rod chamber; Valve group 13 there are input hydraulic fluid port one P1, input hydraulic fluid port two P2 and output oil port three P3; The oil duct 3 14 of concrete piston 15 inside leads to the surface of contact of concrete piston 15 and concrete cylinder 12 casing wall, wherein: the oil duct 1 in main oil cylinder piston bar 8, oil duct 2 10 respectively with input hydraulic fluid port one P1 in valve group 13, input hydraulic fluid port two P2 and be communicated with, output oil port three P3 in valve group 13 is communicated with the hydraulic fluid port on concrete piston 15; Described valve group 13 is valve-regulated, and as shown in Figure 1, then input hydraulic fluid port one P1 in valve group, by one-way valve 1, links up with the A chamber of plunger 5 hydraulic schematic diagram, and the B chamber of plunger 5 is communicated with valve group delivery outlet three P3 by Pilot operated check valve 33; Input hydraulic fluid port two P2 in valve group, by one-way valve 44, links up with the B chamber of plunger 5, and the A chamber of plunger 5 is communicated with valve group 13 delivery outlet three P3 by Pilot operated check valve 22;
Oil duct 1 in described main oil cylinder piston bar 8 is communicated with master cylinder 7 rodless cavity, and oil duct 2 10 is communicated with master cylinder 7 rod chamber; An oil duct 9 in described main oil cylinder piston bar 8 and one of valve group 13 input hydraulic fluid port one P1 and are communicated with, and the oil duct 2 10 in main oil cylinder piston bar 8 is communicated with input hydraulic fluid port two P2 of valve group 13;
The Stress control that described Pilot operated check valve 22 inputs hydraulic fluid port two P2 by valve group is opened;
The Stress control that described Pilot operated check valve 33 inputs hydraulic fluid port one P1 by valve group is opened;
Described plunger 5 can be transfused to hydraulic fluid port one P1, one end that both input hydraulic fluid port two P2 pressure is high is pushed to the low one end of pressure;
Described piston head internal galleries 3 14 one end is communicated with valve group output oil port three P3, and the other end is communicated by the outer surface of uniform hydraulic fluid port with concrete piston 15;
Described valve group 13 is connected by bolt with main oil cylinder piston bar 8 and concrete piston 15;
If valve group is valve-regulated, then when master cylinder rodless cavity is high pressure, when rod chamber is low pressure, high pressure oil enters into input hydraulic fluid port one P1 of valve group 13 by the oil duct 1 in main oil cylinder piston bar 8, through one-way valve 1, now Pilot operated check valve 22 is closed, Pilot operated check valve 33 is opened, high pressure oil promotes plunger 5 and moves to B chamber, the hydraulic oil in B chamber enters valve group output oil port three P3 through Pilot operated check valve 33, then the oil duct 3 14 in concrete piston 15 is entered, then flow out from the outer surface of concrete piston 15, thus the surface of contact of concrete piston 15 and concrete cylinder 12 is lubricated,
If valve group is valve-regulated, then when master cylinder rod chamber is high pressure, when rodless cavity is low pressure, high pressure oil enters into input hydraulic fluid port two P2 of valve group 13 by the oil duct 2 10 in main oil cylinder piston bar 8, through one-way valve 44, now Pilot operated check valve 33 is closed, Pilot operated check valve 22 is opened, high pressure oil promotes plunger 5 and moves to A chamber, the hydraulic oil in A chamber enters valve group 13 output oil port three P3 through Pilot operated check valve 22, then the oil duct 14 in concrete piston 15 is entered, then flow out from the outer surface of concrete piston 15, thus the surface of contact of concrete piston 15 and concrete cylinder 12 is lubricated.
Claims (1)
1. one kind for lubrication system in concrete pump hyraulic controlled type concrete piston, comprise valve group (13), main oil cylinder piston bar (8), concrete piston (15), it is characterized in that: there are oil duct one (9), oil duct two (10) in main oil cylinder piston bar (8) inside, described oil duct one (9) communicates with master cylinder (7) rodless cavity, and oil duct two (10) communicates with master cylinder (7) rod chamber; Valve group (13) there are input hydraulic fluid port one (P1), input hydraulic fluid port two (P2) and an output oil port three (P3); The inner oil duct three (14) of concrete piston (15) towards the surface of contact of concrete piston (15) with concrete cylinder (12) casing wall, wherein:
Oil duct one (9) in described main oil cylinder piston bar (8) communicates with the input hydraulic fluid port one (P1) of valve group (13), and the oil duct two (10) in main oil cylinder piston bar (8) communicates with the input hydraulic fluid port two (P2) of valve group (13); Output oil port three (P3) in valve group (13) is linked up with the hydraulic fluid port on concrete piston (15);
Described valve group is valve-regulated, then the input hydraulic fluid port one (P1) in valve group is linked up by the A chamber of one-way valve one (1) with plunger (5), and the B chamber of plunger (5) is linked up by Pilot operated check valve three (3) and valve group delivery outlet three (P3); Input hydraulic fluid port two (P2) in valve group, by one-way valve four (4), is linked up with the B chamber of plunger (5), and the A chamber of plunger (5) is linked up by Pilot operated check valve two (2) and valve group (13) delivery outlet three (P3).
2. one according to claim 1 is used for lubrication system in concrete pump hyraulic controlled type concrete piston, it is characterized in that: the Stress control that described Pilot operated check valve two (2) inputs hydraulic fluid port two (P2) by valve group is opened.
3. one according to claim 1 is used for lubrication system in concrete pump hyraulic controlled type concrete piston, it is characterized in that: the Stress control that described Pilot operated check valve three (3) inputs hydraulic fluid port one (P1) by valve group is opened.
4. one according to claim 1 is used for lubrication system in concrete pump hyraulic controlled type concrete piston, it is characterized in that: one end that described plunger (5) can be transfused to hydraulic fluid port one (P1) high with input hydraulic fluid port two (P2) pressure is pushed to the low one end of pressure.
5. according to claim 1, 2, one described in 3 or 4 is used for lubrication system in concrete pump hyraulic controlled type concrete piston, it is characterized in that: when master cylinder rodless cavity is high pressure, when rod chamber is low pressure, high pressure oil enters into the input hydraulic fluid port one (P1) of valve group (13) by the oil duct one (9) in main oil cylinder piston bar (8), through one-way valve one (1), now Pilot operated check valve two (2) is closed, Pilot operated check valve three (3) is opened, high pressure oil promotes plunger (5) and moves to B chamber, the hydraulic oil in B chamber enters valve group output oil port three (P3) through Pilot operated check valve three (3), then the oil duct three (14) in concrete piston (15) is entered, then flow out from the outer surface of concrete piston (15), thus the surface of contact of concrete piston (15) with concrete cylinder (12) is lubricated.
6. according to claim 1, 2, one described in 3 or 4 is used for lubrication system in concrete pump hyraulic controlled type concrete piston, it is characterized in that: when master cylinder rod chamber is high pressure, when rodless cavity is low pressure, high pressure oil enters into the input hydraulic fluid port two (P2) of valve group (13) by the oil duct two (10) in main oil cylinder piston bar (8), through one-way valve four (4), now Pilot operated check valve three (3) is closed, Pilot operated check valve two (2) is opened, high pressure oil promotes plunger (5) and moves to A chamber, the hydraulic oil in A chamber enters valve group output oil port three (P3) through Pilot operated check valve two (2), then the oil duct three (14) in concrete piston (15) is entered, then flow out from the outer surface of concrete piston (15), thus the surface of contact of concrete piston (15) with concrete cylinder (12) is lubricated.
7. one kind for lubrication system in concrete pump hyraulic controlled type concrete piston, comprise valve group (13), main oil cylinder piston bar (8), concrete piston (15), it is characterized in that: there are oil duct one (9), oil duct two (10) in main oil cylinder piston bar (8) inside, oil duct one (9) in described main oil cylinder piston bar (8) communicates with master cylinder (7) rodless cavity, and oil duct two (10) communicates with master cylinder (7) rod chamber; Valve group (13) there are input hydraulic fluid port one (P1), input hydraulic fluid port two (P2) and an output oil port three (P3); The inner oil duct three (14) of concrete piston (15) towards the surface of contact of concrete piston (15) with concrete cylinder (12) casing wall, wherein:
Oil duct one (9) in described main oil cylinder piston bar (8) communicates with the input hydraulic fluid port one (P1) of valve group (13), and the oil duct two (10) in main oil cylinder piston bar (8) communicates with the input hydraulic fluid port two (P2) of valve group (13); Output oil port three (P3) in valve group (13) is linked up with the hydraulic fluid port on concrete piston (15);
Described valve group is drip irrigation type, then have an adjustable throttle orifice in valve group, and by regulating the size of throttle orifice, thus hydraulic control oil slowly penetrates into the internal galleries three (14) of concrete piston (15) by throttle orifice.
8. the one according to claim 1 or 7 is used for lubrication system in concrete pump hyraulic controlled type concrete piston, it is characterized in that: described piston head internal galleries three (14) one end and valve group output oil port three (P3) are linked up, the other end is communicated by the outer surface of uniform hydraulic fluid port with concrete piston (15).
9. the one according to claim 1 or 7 is used for lubrication system in concrete pump hyraulic controlled type concrete piston, it is characterized in that: described valve group (13) is connected by bolt with main oil cylinder piston bar (8) and concrete piston (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561938.6U CN204186577U (en) | 2014-09-28 | 2014-09-28 | A kind of for lubrication system in concrete pump hyraulic controlled type concrete piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561938.6U CN204186577U (en) | 2014-09-28 | 2014-09-28 | A kind of for lubrication system in concrete pump hyraulic controlled type concrete piston |
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| Publication Number | Publication Date |
|---|---|
| CN204186577U true CN204186577U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420561938.6U Expired - Fee Related CN204186577U (en) | 2014-09-28 | 2014-09-28 | A kind of for lubrication system in concrete pump hyraulic controlled type concrete piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295487A (en) * | 2014-09-28 | 2015-01-21 | 山推楚天工程机械有限公司 | Internal lubricating system for concrete pump hydraulic control type concrete piston |
-
2014
- 2014-09-28 CN CN201420561938.6U patent/CN204186577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295487A (en) * | 2014-09-28 | 2015-01-21 | 山推楚天工程机械有限公司 | Internal lubricating system for concrete pump hydraulic control type concrete piston |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20160928 |